package com.summer.ChengXuYuanMianShiJingDian;

public class Q1_7 {
    public void rotate(int[][] matrix) {
        for (int i = 0; i < matrix.length  ; i++) {
            for (int j = 0; j < i ; j++) {
                int temp = matrix[i][j];
                matrix[i][j] = matrix[j][i];
                matrix[j][i] = temp;
            }
        }
        for(int i=0 ; i<matrix.length ; ++i){
            for(int j=0 ; j<matrix.length/2 ; ++j){
                int temp = matrix[i][j];
                matrix[i][j] = matrix[i][matrix.length-1-j];
                matrix[i][matrix.length-1-j] = temp;
            }
        }
    }
}
